Symbolizing stream flow with width and temperature with color
November 21 2008 |
Recently I was asked if I could depict stream flow with the width of the stream line and stream temperature with a color ramp. I corrected the stream course on Washington DFW fish hydro layer and created the routes again. I stuck in some test data in an event table to create interpolated data between two sample points with the interpolated reaches at 10000 ft. apart. Then I tried multiple attributes symbology, but seem to be able to get either color or line width but not both. I haven't tried multiple attributes before so this might be my only remaining obstacle.
Mapping Center Answer:
The software currently does not support automatically symbolizing two quantitative variables, which is what you have (stream flow and stream temperature). We've got a number of ArcObjects examples (this one works for point symbols so I think it will also work for lines):
It should do what you're asking for, but you'll need to install the .dll file (use the link at the bottom of the web page).
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